nodejs.org/.github/workflows/bundle-compare.yml at main · nodejs/nodejs.org · GitHub

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name: Compare Bundle Size

on:
  workflow_run:
    workflows: ['Build']
    types: [completed]

permissions:
  contents: read
  actions: read
  # To create the comment
  pull-requests: write

jobs:
  compare:
    name: Compare Bundle Stats
    runs-on: ubuntu-latest
    if: github.event.workflow_run.event == 'pull_request'

    steps:
      - name: Harden Runner
        uses: step-security/harden-runner@a90bcbc6539c36a85cdfeb73f7e2f433735f215b # v2.15.0
        with:
          egress-policy: audit

      - name: Git Checkout
        uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2

      - name: Download Stats (HEAD)
        uses: actions/download-artifact@70fc10c6e5e1ce46ad2ea6f2b72d43f7d47b13c3 # v8.0.0
        with:
          name: webpack-stats
          path: head-stats
          run-id: ${{ github.event.workflow_run.id }}
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Get Run ID from BASE
        id: base-run
        env:
          WORKFLOW_ID: ${{ github.event.workflow_run.workflow_id }}
          GH_TOKEN: ${{ github.token }}
        run: |
          ID=$(gh run list -c $GITHUB_SHA -w $WORKFLOW_ID -L 1 --json databaseId --jq ".[].databaseId")
          echo "run_id=$ID" >> $GITHUB_OUTPUT

      - name: Download Stats (BASE)
        uses: actions/download-artifact@70fc10c6e5e1ce46ad2ea6f2b72d43f7d47b13c3 # v8.0.0
        with:
          name: webpack-stats
          path: base-stats
          run-id: ${{ steps.base-run.outputs.run_id }}
          github-token: ${{ secrets.GITHUB_TOKEN }}

      - name: Compare Bundle Size
        id: compare-bundle-size
        uses: actions/github-script@ed597411d8f924073f98dfc5c65a23a2325f34cd # v8.0.0
        env:
          HEAD_STATS_PATH: ./head-stats/webpack-stats.json
          BASE_STATS_PATH: ./base-stats/webpack-stats.json
        with:
          script: |
            const { compare } = await import('${{github.workspace}}/apps/site/scripts/compare-size/index.mjs')
            await compare({core})

      - name: Add Comment to PR
        uses: thollander/actions-comment-pull-request@e2c37e53a7d2227b61585343765f73a9ca57eda9 # v3.0.0
        with:
          comment-tag: 'compare_bundle_size'
          message: ${{ steps.compare-bundle-size.outputs.comment }}
          pr-number: ${{ github.event.workflow_run.pull_requests[0].number }}